25188003

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{2087}}^1$

素因数の和:2248

約数の個数: 20

約数和(自身を含む): 37897200

約数和(自身を除く): 12709197

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 2087, 4023, 6261, 12069, 18783, 56349, 169047, 310963, 932889, 2798667, 8396001, 25188003]

約数ペア:

[(1, 25188003), (3, 8396001), (9, 2798667), (27, 932889), (81, 310963), (149, 169047), (447, 56349), (1341, 18783), (2087, 12069), (4023, 6261)]